Brigadistak

Recording by Fermin Muguruza.

Recording identifiers

ISRC
ES90A0900064
CopyrightID (CopyrightChains transaction hash)
0x4abe8bebaee515351073f5057beeadab845ee3807aa43056e4672be9e27134f8
Copyright registration time
2026-06-19T05:46:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:edfd92115bafded77fcf8f29b1f60c7a0cc1de9b72b083d201e8abcf2185e81c

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.